435  
CDUS46 KSGX 312320  
CLIONT  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN DIEGO, CA  
420 PM PDT THU OCT 31 2024  
   
...............................
 
 
   
..THE ONTARIO INTL AIRPORT CA CLIMATE SUMMARY FOR OCTOBER 31 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 2:05 PM 91 1999 80 -7 86  
2015  
2020  
MINIMUM 50 6:30 AM 41 2019 53 -3 50  
AVERAGE 62 66 -4 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.18 2014 0.02 -0.02 0.00  
MONTH TO DATE 0.06 0.41 -0.35 T  
SINCE JUL 1 0.06 0.59 -0.53 2.16  
SINCE OCT 1 0.06 0.41 -0.35 T  
SINCE JAN 1 16.35 8.95 7.40 20.40  
 
DEGREE DAYS  
HEATING  
TODAY 3 2 1 0  
MONTH TO DATE 13 23 -10 4  
SINCE SEP 1 13 24 -11 5  
SINCE JUL 1 13 24 -11 5  
 
COOLING  
TODAY 0 3 -3 3  
MONTH TO DATE 267 176 91 219  
SINCE SEP 1 653 554 99 482  
SINCE JAN 1 2027 1927 100 1670    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 3.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 4:00 AM  
LOWEST 23 2:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE ONTARIO INTL AIRPORT CA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 2020  
MINIMUM TEMPERATURE (F) 53 41 2019  
 
SUNRISE AND SUNSET  
OCTOBER 31 2024.......SUNRISE 7:10 AM PDT SUNSET 5:58 PM PDT  
NOVEMBER 1 2024......SUNRISE 7:11 AM PDT SUNSET 5:57 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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